/Engine/Source/Editor/UnrealEd/Public/SkinWeightsUtilities.h
Ask user a file path for a particular LOD
static [FString](API\Runtime\Core\Containers\FString) PickSkinWeightPath ( int32 LODIndex, [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SkeletalMesh )